1990 Nissan Micra Manual Transmission Reassembly Procedure - Page MT-23
Service manual page MT-23 with step-by-step transaxle reassembly illustrations for shift levers and mainshaft assembly.
This document is a single page (MT-23) from a manual transmission (transaxle) service manual section titled "REASSEMBLY." It gives a seven-step illustrated procedure for reassembling the transmission onto the clutch housing. Steps include: (1) applying sealant to the welch plug and installing it on the clutch housing; (2) installing the striking lever and change shift lever; (3) installing the select shifter and retaining pin; (4) attaching the shift fork assembly to the mainshaft; (5) determining the thickness of shims to be used whenever the clutch housing, transmission case, mainshaft, differential case, or taper roller bearing is replaced (referring the reader to the "Adjustment" section); (6) wrapping cellophane tape around the input shaft splines to avoid damaging the oil seal; and (7) installing the mainshaft assembly with shift fork assembly and input shaft assembly onto the clutch housing as a single unit. Six line-art illustrations accompany the steps, referenced by figure codes SMT926, SMT927, SMT938, SMT950, SMT951, and SMT928. The page contains no torque values, part numbers, or model/year applicability statements. It was uploaded as part of a multi-page manual set attributed to a 1990 Nissan Micra.
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Frequently asked questions
- How do you protect the transmission oil seal when installing the input shaft?
- Wrap a tape (cellophane tape) around the splines of the input shaft to avoid damaging the oil seal (step 6, figure SMT951).
- When do transmission shim thicknesses need to be determined?
- Shim thickness must be determined when the clutch housing, transmission case, mainshaft, differential case, or taper roller bearing is replaced. The document refers to the "Adjustment" section for the procedure.
- How are the mainshaft, shift fork, and input shaft installed?
- The mainshaft assembly with the shift fork assembly and the input shaft assembly are installed onto the clutch housing together as a unit (step 7).
- What is done with the welch plug during reassembly?
- Sealant is applied to the welch plug and it is installed on the clutch housing (step 1, figure SMT926).
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